280 Pcs/Box M3 Hex Head Cap Screw Hexagon Socket Screw Metric Nut Machine Fastener Assortment

About this item

• ALLOY STEEL MATERIAL: Grade 12.9 alloy steel with an oxidation surface has good tensile strength and corrosion resistance in many environments. The deep threads ensure a secure hold, you can use it for reliable equipment repair.
• BASIC SPECIFICATION: Thread lengths: 4mm (20pcs), 5mm (20pcs), 6mm (20pcs), 8mm (20pcs), 10mm (20pcs), 12mm (20pcs), 16mm (20pcs), 20mm (20pcs), 25mm (20pcs)). Thread diameter: 3mm (M3). Box size: 13 * 6.5 * 2.3 cm / 5 * 2.6 * 0.9 inch. Quantity: 1 x box of 180 screws + 100 nuts.
• EASY TO INSTALL: The cap head allows for driving where there isn't sufficient room for wrenches. Perfect for use in confined areas where the head needs to be flush or below the surface.

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